Tells this connection object what its target value is.
This is needed for logging and auditing. It's sloppy to do in the constructor because the constructor for child classes has a different signature. We therefore also ensure that this function is only ever called once.
$target: The target this connection is for. Set to NULL (default) to disable logging entirely.
includes/ database/ database.inc, line 533
- Core systems for the database layer.
- Base Database API class.